| IFAS | Independent Financial Advisor These 
| Others |
| IFAS | Industrial Fund Accounting System
| Others |
| IFAS | Institute for First Amendment Studies
| Others |
| IFAS | Institute of Food Agricultural Sciences
| Others |
| IFAS | Institute of Food and Agricultural Sciences
| Others |
| IFAS | Integrated Finance Accounting Solutions
| Others |
| IFAS | Integrated Finance and Accounting Solutions
| Others |
| IFAS | Integrated Financial Accounting System
| Others |
| IFAS | Integrated Financial and Administrative Solution
| Others |
| IFAS | Integrated Fixed-film Activated Sludge
| Others |
| IFAS | Integrated Frame Analysis System
| Others |
| IFAS | Internal Factor Analysis Summary
| Others |
| IFAS | International French Adjectival System
| Others |
| IFAS | Irish Federation of Astronomical Societies
| Others |